Steel tubes and pipes standard references for ISTW mechanical tubes are as follow :

JIS G 3466 STKR

Mechanical Property

steel-tube-and-pipes-standard-reference-jis-g-3466-STKR-A

Chemical Composition

steel-tube-and-pipes-standard-reference-jis-g-3466-STKR-B

Grade and Designation

steel-tube-and-pipes-standard-reference-jis-g-3466-STKR-C

Test Condition

steel-tube-and-pipes-standard-reference-jis-g-3466-STKR-D

 

Steel tubes and pipes standard references for ISTW mechanical tubes are as follow :

JIS G 3445 STKM

Mechanical Property

steel-tube-standard-reference-istw-jis-g-3445-stkmA

 

Chemical Composition

steel-tube-standard-reference-istw-jis-g-3445-stkm-B

 

Dimensional Tolerance

steel-tube-standard-reference-istw-jis-g-3445-stkm-C

 

 

JIS G 3472 STAM

Mechanical Property

steel-pipe-standard-reference-istw-JIS G 3472 STAM-A

 

Tolerance On Outside Diameter

steel-pipe-standard-reference-istw-JIS G 3472 STAM-B

 

Tolerance on Wall thickness

steel-pipe-standard-reference-istw-JIS G 3472 STAM-C

 

Chemical Composition

steel-pipe-standard-reference-istw-JIS G 3472 STAM-D

 

 

Steel tubes and pipes standard references for ISTW mechanical tubes are as follow :

JIS G 3466 STKR

Mechanical Property

steel-tube-and-pipes-standard-reference-jis-g-3466-STKR-A

Chemical Composition

steel-tube-and-pipes-standard-reference-jis-g-3466-STKR-B

Grade and Designation

steel-tube-and-pipes-standard-reference-jis-g-3466-STKR-C

Test Condition

steel-tube-and-pipes-standard-reference-jis-g-3466-STKR-D